New: 98,000+ skills indexed from GitHub repos with 100+ stars · every skill safety-checkedBrowse top skillsTop skills
Esc to closeBrowse all skills
Submit a skillBrowse skills
Submit a skillBrowse skills

Agent skill

Ponytail Gain Scoreboard

by DietrichGebert in DietrichGebert/ponytail

“Show ponytail's measured savings (code, cost, speed) from the benchmark. One-shot display. Use for /ponytail-gain, "what does ponytail save", "ponytail impact".”

— description from SKILL.md by DietrichGebert
MITAuto-check passedAgent Workflows

Install Ponytail Gain Scoreboard

skills CLI
$ npx skills add DietrichGebert/ponytail --skill ponytail-gain -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install DietrichGebert/ponytail ponytail-gain --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/DietrichGebert/ponytail.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/ponytail-gain .claude/skills/ponytail-gain && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
ponytail-gain
GitHub stars
160k
Token cost
~507 tokens
SKILL.md length
195 words
Files
1
Skills in repo
6
Repo updated
First seen
Licence
MIT

At a glance

  • SKILL.md covers Scoreboard, Honesty boundary and Boundaries
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

About this skill

Ponytail Gain Scoreboard is a skill in DietrichGebert/ponytail (160k stars). Its SKILL.md is about 507 tokens. Licence: MIT.

What it can do on your machine

Read from SKILL.md and the folder at commit 9b58c1f. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Ponytail Gain Scoreboard loads about 507 tokens when it runs. Until then it costs about 44 tokens; SKILL.md has 195 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~44
When it runs · the whole SKILL.md, loaded when a task matches
~507

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from DietrichGebert/ponytail at commit 9b58c1f, republished under its MIT licence (© DietrichGebert). 195 words, ~507 tokens.

Download SKILL.mdSave it as .claude/skills/ponytail-gain/SKILL.md (or your agent's skills folder).
name
ponytail-gain
description
Show ponytail's measured savings (code, cost, speed) from the benchmark. One-shot display. Use for /ponytail-gain, "what does ponytail save", "ponytail impact".

Ponytail Gain

Display this scoreboard when invoked. One-shot: do NOT change mode, write flag files, or persist anything.

The figures are the published agentic benchmark of Ponytail 5: headless Claude Code (Opus 5.5, default effort) on 39 tasks (feature tickets in a real FastAPI + React repo, bug fixes, security and privacy cases, small apps), 5 runs each, against the same agent without the skill. 18 of the tasks have hidden checks for correctness and safety. Each figure is the geometric mean of the per-task medians. They are measured, not computed from the current repo. Source: benchmarks/results/2026-10-07-agentic.md and the README.

Scoreboard

Render plain ASCII bars. The bar length shows ponytail as a share of the no-skill baseline; the label carries the exact figure:

  ponytail gain           benchmark · 39 tasks × 5 runs · Opus 5.5

  no-skill        ████████████████████  100%
  Lines of code   █████████···········   47%   ▼ 53%
  Output tokens   ███████████·········   55%   ▼ 45%
  Cost            ███████████████·····   74%   ▼ 26%
  Time            ████████████········   59%   ▼ 41%
  Hidden checks passed   97%  (no-skill 96%)
  Tests where the logic needs one   98%  (no-skill 68%)

  This repo:  /ponytail-debt  (shortcuts you deferred)
              /ponytail-audit (what's still cuttable)

Honesty boundary

These are benchmark averages, not this repo. NEVER print a per-repo savings number ("you saved X lines/tokens here"): the unbuilt version was never written, so there is no real baseline to subtract from in a live repo. The only real per-repo figures come from /ponytail-debt (a counted ledger), and this card points there instead of inventing one.

Boundaries

One-shot display. Edits nothing, changes no mode. "stop ponytail" or "normal mode": revert.

© DietrichGebert, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in skills/ponytail-gain of DietrichGebert/ponytail.

Open the folder on GitHubat commit 9b58c1f

Compare with similar skills

Ponytail Gain Scoreboard next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Ponytail Gain Scoreboard compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Ponytail Gain Scoreboard this skillDietrichGebert/ponytail160k—~507Automated safety check: PassMIT
MCP Server Builderanthropics/skills180k63 repos~2.3kAutomated safety check: PassApache-2.0
Idea Refinementaddyosmani/agent-skills105k6 repos~2kAutomated safety check: PassMIT
Hook Development for Claude Code Pluginsanthropics/claude-plugins-official38k10 repos~4.1kAutomated safety check: NotesApache-2.0
Using Superpowersfarm-fe/farm5.6k36 repos~1.4kAutomated safety check: PassMIT
Executing Plans Inlineobra/superpowers297k2 repos~5.1kAutomated safety check: PassMIT

Similar skills

  • MCP Server Builder

    anthropics/skills

    Official

    Guides the design and implementation of Model Context Protocol servers in TypeScript or Python, from tool naming and error messages to evaluation.

    180k GitHub starsUsed in 63 repos~2.3k tokens
    Agent WorkflowsAuto-check passed

  • Idea Refinement

    addyosmani/agent-skills

    Guides a conversation that takes a vague idea through divergent and convergent thinking and ends in a markdown one-pager covering scope and assumptions.

    105k GitHub starsUsed in 6 repos~2k tokens
    Agent WorkflowsAuto-check passed

  • Hook Development for Claude Code Plugins

    anthropics/claude-plugins-official

    Official

    Explains how to write Claude Code plugin hooks, both prompt-based checks and bash commands, for events such as PreToolUse, Stop and SessionStart.

    38k GitHub starsUsed in 10 repos~4.1k tokens
    Agent WorkflowsAuto-check: notes

  • Using Superpowers

    farm-fe/farm

    A skill your agent uses when starting any conversation - establishes how to find and use skills, requiring Skill tool invocation before ANY response including clarifying questions

    5.6k GitHub starsUsed in 36 repos~1.4k tokens
    Agent WorkflowsAuto-check passed

  • Executing Plans Inline

    obra/superpowers

    Has the agent carry out an implementation plan itself, task by task in the current session, keeping a ledger, proving each step with a test and ending with one whole-branch review.

    297k GitHub starsUsed in 2 repos~5.1k tokens
    Agent WorkflowsAuto-check passed

  • Skill Creator

    Azure/azqr

    Official

    Create new skills, modify and improve existing skills, and measure skill performance.

    796 GitHub starsUsed in 89 repos~8.2k tokens
    Agent WorkflowsAuto-check passed

More from DietrichGebert/ponytail

  • Ponytail Lazy Developer Mode

    DietrichGebert/ponytail

    Makes the agent pick the laziest solution that works: skip unneeded work, reuse what exists, prefer the standard library and platform features, and keep diffs small.

    160k GitHub starsUsed in 1 repo~873 tokens
    Auto-check passed

  • Ponytail Help Card

    DietrichGebert/ponytail

    Shows a one-shot quick-reference card for the ponytail skills: intensity levels, the six commands, and how to turn it off, set a default mode and update.

    160k GitHub stars~726 tokensUpdated yesterday
    Auto-check passed

  • Ponytail Audit

    DietrichGebert/ponytail

    Quality audit of a whole repo: bugs, security holes, what breaks under real load, risky code without tests, slow paths, and what to delete, merge or split.

    160k GitHub stars~1.4k tokensUpdated yesterday
    Auto-check passed

  • Ponytail Debt Ledger

    DietrichGebert/ponytail

    Collects every ponytail: comment in a codebase into one debt ledger, flags shortcuts with no upgrade trigger and reports without changing any files.

    160k GitHub stars~453 tokensUpdated yesterday
    Auto-check passed

  • Over-Engineering Review

    DietrichGebert/ponytail

    Reviews a diff only for unnecessary complexity and lists what to delete or shrink, one numbered line per finding with the location, the cut and its replacement.

    160k GitHub stars~1.3k tokensUpdated yesterday
    Auto-check passed

Categories

Questions about Ponytail Gain Scoreboard

How do I install Ponytail Gain Scoreboard in Claude Code?

Run `npx skills add DietrichGebert/ponytail --skill ponytail-gain -a claude-code`. Or copy the skill folder (skills/ponytail-gain in DietrichGebert/ponytail) into .claude/skills/ponytail-gain in your project. Claude Code loads it when a task matches its description.

How do I install Ponytail Gain Scoreboard in Codex?

Run `npx skills add DietrichGebert/ponytail --skill ponytail-gain -a codex`. Or copy the skill folder (skills/ponytail-gain in DietrichGebert/ponytail) into .agents/skills/ponytail-gain in your project. Codex loads it when a task matches its description.

Can I use Ponytail Gain Scoreboard in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add DietrichGebert/ponytail --skill ponytail-gain -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/ponytail-gain, .gemini/skills/ponytail-gain, .github/skills/ponytail-gain and .opencode/skills/ponytail-gain in your project.

What does Ponytail Gain Scoreboard need to run?

SKILL.md names no scripts, command-line tools or credentials: Ponytail Gain Scoreboard is instructions for the agent only.

Does Ponytail Gain Scoreboard access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Ponytail Gain Scoreboard safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Ponytail Gain Scoreboard use?

Ponytail Gain Scoreboard is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Ponytail Gain Scoreboard use?

About 507 tokens (SKILL.md is roughly 2k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Ponytail Gain Scoreboard?

Skills that share tags, products or a category with Ponytail Gain Scoreboard: MCP Server Builder (anthropics/skills, 180k stars), Idea Refinement (addyosmani/agent-skills, 105k stars), Hook Development for Claude Code Plugins (anthropics/claude-plugins-official, 38k stars) and Using Superpowers (farm-fe/farm, 5.6k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Ponytail Gain Scoreboard?

DietrichGebert (a GitHub user) maintains it in DietrichGebert/ponytail, which has 159,864 GitHub stars. The repository holds 6 skills in this directory. The repository was last updated on October 10, 2026.

Source: DietrichGebert/ponytail on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.